Microsoft is offering free upgrade to Windows 10 to those running Win8.1, Windows Phone and Win7

Microsoft announced that it plans to offer a free upgrade to Windows 10 for all those running Windows 8.1.

“I’m very excited to announce that for the first year after Windows 10 is a available, we will be making available a free upgrade to Windows 10 to all devices running Windows 8.1,” said Terry Myerson, executive vice president of Microsoft’s Operating Systems group, kicking off a series of news announcements at a press event.

Microsoft is also offering a free upgrade for all devices running Windows Phone 8.1. And for the first year after it is available, Windows 10 will be offered to those running Windows 7.